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CTA 1 - A supernova remnant in Cepheus and its little friend NGC 40. Oct 11, 2023 455 views5886×40279.53 MB
Top Pick Nomination

Classic view
CTA 1 - A supernova remnant in Cepheus and its little friend NGC 40.
Matthew Proulx
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Backyard
N
Cep
0h 6m 32s · +72° 33′ 38″
1.96° × 1.34°
1.20″/px
199.20°N
Integration
R
30×60″
30′
G
30×60″
30′
B
30×60″
30′
Hα
339×300″
28h 15′
5 days in 2023
67%
OIII
181×300″
15h 5′
Oct 9-10, 2023
20%
Totals
44h 50′
7 days in 2023
54%
R
30×60″=30′
G
30×60″=30′
B
30×60″=30′
Hα
339×300″=28h 15′
5 days in 2023
67%
OIII
181×300″=15h 5′
Oct 9-10, 2023
20%
Totals44h 50′
7 days in 2023 54%
Equipment
Telescope
Sky-Watcher Esprit 120ED
Camera
MallinCam SkyRaider DS26m TEC
Mount
Sky-Watcher EQ6-R Pro
Filters
Antlia 3nm Narrowband H-alpha 2"
Antlia 3nm Narrowband Oxygen III 2"
Antlia Blue 2"
Antlia Green 2"
Antlia Red 2"
Accessories
MoonLite NiteCrawler 3.5"
Pegasus Astro Powerbox Advance
Sky-Watcher 0.77x Reducer for Esprit 120 (20095)
ZWO EFW 7 x 2″
Description
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Revision: Original
Published Oct 11, 2023
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