NGC 7023 - the Iris Nebula in Cepheus

A bright reflection nebula in the constellation Cepheus, about 1300 light-years away. Actually NGC 7023 is the star cluster inside the nebula, which is properly designated LBN 487.

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File information
Filename:	NGC70023_20180611_LRGB2B.jpg
Album name:	27telp / Nebulae
Location and Date:	OCA site near Anza, California, June 7 and 11, 2018
Equipment:	Image capture with William Optics FLT-132 f/7 scope, QSI 583wsg CCD camera, Astro-Physics 1200 GTO mount, guiding with Mini-Borg 50 and Starlight Xpress Ultrastar guide camera
Settings:	Luminance - 20 exposures @ 5 minutes each, bin 1x1; Red, Green, and Blue - 20 exposures @ 5 minutes each, bin2x2
Notes:	Image capture software - Sequence Generator Pro; calibration, stacking and final processing with CCDStack2, PixInsight and Adobe Photoshop CC
Filesize:	1462 KiB
Date added:	Jan 31, 2022
Dimensions:	1888 x 1540 pixels
Displayed:	251 times
Color Space:	sRGB
EXIF Offset:	172
EXIF Version:	version 2.31
Resolution Unit:	Inch
Software:	Adobe Photoshop Lightroom Classic 11.1 (Windows)
X Resolution:	240 dots per ResolutionUnit
Y Resolution:	240 dots per ResolutionUnit
URL:	http://www.slithergadee.net/coppergallery/displayimage.php?pid=1662
Favorites:	Add to Favorites

Debug Info

Debug Output: show / hide

USER: 
------------------
Array
(
    [ID] => 2814746e52897944786859ff8953b78b
    [am] => 1
    [liv] => Array
        (
            [0] => 1713
            [1] => 814
            [2] => 1706
            [3] => 1662
        )

)

==========================
USER DATA:
------------------
Array
(
    [user_id] => 0
    [user_name] => Guest
    [groups] => Array
        (
            [0] => 3
        )

[group_quota] => 0
    [can_rate_pictures] => 1
    [can_send_ecards] => 0
    [can_post_comments] => 0
    [can_upload_pictures] => 0
    [can_create_albums] => 0
    [pub_upl_need_approval] => 1
    [priv_upl_need_approval] => 1
    [access_level] => 3
    [disk_max] => 0
    [disk_min] => 0
    [has_admin_access] => 0
    [group_name] => Guests
    [can_create_public_albums] => 0
    [can_see_all_albums] => 0
    [group_id] => 3
    [allowed_albums] => Array
        (
        )

)

==========================
Queries:
------------------
Array
(
    [0] => SELECT name, value FROM cm_config [include/init.inc.php:177] (0.45 ms)
    [1] => SELECT * FROM cm_plugins ORDER BY priority [include/plugin_api.inc.php:48] (0.27 ms)
    [2] => SELECT user_id, time FROM `i5493328_cm1`.cm_sessions WHERE session_id = '1c8b8e45da7d1d4d092e815a435cf321' [bridge/coppermine.inc.php:241] (0.58 ms)
    [3] => SELECT MAX(group_quota) AS disk_max, MIN(group_quota) AS disk_min, MAX(can_rate_pictures) AS can_rate_pictures, MAX(can_send_ecards) AS can_send_ecards, MAX(can_post_comments) AS can_post_comments, MAX(can_upload_pictures) AS can_upload_pictures, MAX(can_create_albums) AS can_create_albums, MAX(has_admin_access) AS has_admin_access, MAX(access_level) AS access_level, MIN(pub_upl_need_approval) AS pub_upl_need_approval, MIN( priv_upl_need_approval) AS	 priv_upl_need_approval FROM cm_usergroups WHERE group_id in (3) [bridge/udb_base.inc.php:350] (0.22 ms)
    [4] => SELECT group_name FROM cm_usergroups WHERE group_id= 3 [bridge/udb_base.inc.php:362] (0.19 ms)
    [5] => SELECT COUNT(*) FROM cm_categorymap WHERE group_id in (3) [bridge/udb_base.inc.php:375] (0.19 ms)
    [6] => SELECT aid FROM cm_albums WHERE moderator_group IN (3) [include/init.inc.php:271] (0.18 ms)
    [7] => SELECT lang_id FROM cm_languages WHERE enabled='YES' [include/init.inc.php:334] (0.23 ms)
    [8] => DELETE FROM cm_banned WHERE expiry < '2025-10-12 20:54:19' [include/init.inc.php:448] (1.84 ms)
    [9] => SELECT null FROM cm_banned WHERE ('216.73.216.211' LIKE ip_addr OR '' LIKE ip_addr ) AND brute_force=0 LIMIT 1 [include/init.inc.php:464] (1.24 ms)
    [10] => SELECT aid FROM cm_albums WHERE (1  AND visibility != 0 AND visibility != 10000 AND visibility NOT IN (3)) [include/functions.inc.php:1110] (0.38 ms)
    [11] => SELECT title, keyword FROM cm_albums WHERE aid = 2 [include/functions.inc.php:2461] (0.26 ms)
    [12] => SELECT filename, title, pid, position, ctime FROM cm_pictures WHERE pid = 1662 [include/functions.inc.php:2174] (0.63 ms)
    [13] => SELECT COUNT(*) FROM cm_pictures
                    WHERE ((aid='2'  AND aid NOT IN (12, 51)) OR (keywords like '%27telp%'  AND aid NOT IN (12, 51) )) AND approved='YES'
                    AND (position < 138 OR position = 138 AND pid < 1662) [include/functions.inc.php:2198] (2.3 ms)
    [14] => SELECT title, keyword FROM cm_albums WHERE aid = 2 [include/functions.inc.php:2461] (0.21 ms)
    [15] => SELECT COUNT(*) FROM cm_pictures WHERE ((aid='2'  AND aid NOT IN (12, 51) ) OR (keywords like '%27telp%'  AND aid NOT IN (12, 51) )) AND approved='YES' [include/functions.inc.php:1408] (2.26 ms)
    [16] => SELECT r.pid, r.aid, filepath, filename, url_prefix, pwidth, pheight, filesize, ctime, r.title, r.keywords, r.votes, pic_rating, hits, caption, r.owner_id, user1, user2, user3, user4 FROM cm_pictures AS r
                    WHERE ((aid = 2  AND aid NOT IN (12, 51) ) OR (keywords like '%27telp%'  AND aid NOT IN (12, 51) ))AND approved='YES'
                    ORDER BY position DESC, pid DESC
                     LIMIT 9 ,1 [include/functions.inc.php:1439] (55.5 ms)
    [17] => SELECT r.pid FROM cm_pictures AS r
                    WHERE ((aid = 2  AND aid NOT IN (12, 51) ) OR (keywords like '%27telp%'  AND aid NOT IN (12, 51) ))AND approved='YES'
                    ORDER BY position DESC, pid DESC
                     LIMIT 10 ,1 [include/functions.inc.php:1439] (46.95 ms)
    [18] => SELECT r.pid FROM cm_pictures AS r
                    WHERE ((aid = 2  AND aid NOT IN (12, 51) ) OR (keywords like '%27telp%'  AND aid NOT IN (12, 51) ))AND approved='YES'
                    ORDER BY position DESC, pid DESC
                     LIMIT 8 ,1 [include/functions.inc.php:1439] (48.62 ms)
    [19] => SELECT r.pid FROM cm_pictures AS r
                    WHERE ((aid = 2  AND aid NOT IN (12, 51) ) OR (keywords like '%27telp%'  AND aid NOT IN (12, 51) ))AND approved='YES'
                    ORDER BY position ASC, pid ASC
                     LIMIT 0 ,1 [include/functions.inc.php:1439] (47.18 ms)
    [20] => SELECT r.pid FROM cm_pictures AS r
                    WHERE ((aid = 2  AND aid NOT IN (12, 51) ) OR (keywords like '%27telp%'  AND aid NOT IN (12, 51) ))AND approved='YES'
                    ORDER BY position DESC, pid DESC
                     LIMIT 0 ,1 [include/functions.inc.php:1439] (51.12 ms)
    [21] => SELECT title, comments, votes, category, aid FROM cm_albums WHERE aid='2' LIMIT 1 [displayimage.php:420] (0.3 ms)
    [22] => SELECT p.cid, p.name FROM cm_categories AS c,
                cm_categories AS p
                WHERE c.lft BETWEEN p.lft AND p.rgt
                AND c.cid = 13
                ORDER BY p.lft [include/functions.inc.php:2940] (0.25 ms)
    [23] => UPDATE cm_pictures SET hits = hits + 1, lasthit_ip = '216.73.216.211', mtime = CURRENT_TIMESTAMP WHERE pid = 1662 [include/functions.inc.php:2842] (1.43 ms)
    [24] => SELECT extension, mime, content, player FROM cm_filetypes [include/functions.inc.php:5952] (0.54 ms)
    [25] => SELECT null FROM cm_votes WHERE pic_id= 1662 AND user_md5_id='2814746e52897944786859ff8953b78b' [include/themes.inc.php:3624] (0.72 ms)
    [26] => SELECT null FROM cm_vote_stats WHERE pid = 1662 AND ip = '216.73.216.211' [include/themes.inc.php:3625] (0.76 ms)
    [27] => SELECT user_name as user_name FROM `i5493328_cm1`.cm_users WHERE user_id = '1' [bridge/udb_base.inc.php:59] (0.25 ms)
    [28] => SELECT exifData FROM cm_exif WHERE pid = 1662 [include/exif_php.inc.php:40] (0.51 ms)
    [29] => SELECT COUNT(msg_id) FROM cm_comments WHERE pid='1662' [include/themes.inc.php:3757] (0.47 ms)
    [30] => SELECT null FROM cm_albums WHERE category < 10000 AND uploads='YES' AND (visibility = '0' OR visibility IN (3)) AND aid = '2' [include/themes.inc.php:2063] (0.21 ms)
    [31] => SELECT null FROM cm_albums WHERE category < 10000 AND uploads='YES' AND (visibility = '0' OR visibility IN (3)) AND aid = '2' [include/themes.inc.php:2063] (0.19 ms)
)

==========================
GET :
------------------
Array
(
    [album] => 2
    [pid] => 1662
)

==========================
POST :
------------------
Array
(
)

==========================
COOKIE :
------------------
Array
(
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    [a520716e4e1a802c3b699f97dd5ac36c] => 3b6404508620246d761f0d73b55618ea
)

==========================

Event Horizon - Astronomical and Terrestrial Images

NGC 7023 - the Iris Nebula in Cepheus

A bright reflection nebula in the constellation Cepheus, about 1300 light-years away. Actually NGC 7023 is the star cluster inside the nebula, which is properly designated LBN 487.