The Double Cluster in Perseus

 Posted: Jul 22nd, 2021
Technical Info
Telescope/Lens: Newton 150/750
Camera: Canon 500Da
Mount: HEQ5 Pro
Guide Scope: Pentax Takumar 200/4
Guide Camera: T7M Astro
Software: APT, PHD2, Siril, Topaz Denoise AI, Luminar
Accessories: Комакорректор GSO
Exposure:
60 x 60" ISO/Gain: 1600 - Optolong l-Pro
Orange zoneLight Pollution:
 Krasnoznamensk, Russia
 Jul 19th, 2021
1 h 0 m
1785
Resolution: 4416x2484 px
Scale: 4476 KB
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Comments

How did the non-"Newtonian" spikes appear on the stars?
25 Jul, 2021 Reply
Bootlegger Replied to Van Yakovlv
Secondary mirror on three support struts)
2 Aug, 2021 Reply

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