Dragon Trio (NGC 5981, NGC 5982, NGC 5985)

 Posted: May 23rd, 2025
Show astrometry on hover
NGC
IC
HD
Technical Info
Telescope/Lens: Askar SQA 106 мм f/4.8
Camera: ZWO ASI 183 MC
Mount: Ioptron HAE 29 C
Guide Scope: Askar 52 мм F4
Guide Camera: ZWO ASI 120 MM mini
Software: SharpCap 4.0, Siril, GraXpert, Adobe Photoshop
Exposure:
35 x 180" ISO/Gain: 120 - Фильтр IR CUT
Orange, Bortle 6 zone:
 Petushki Vladimirskaya Oblast, Russia
 May 22nd, 2025
1 h 45 m
849
Resolution: 2541x1834 px
Scale: 1161 KB
First light of the remarkable Askar SQA 106 mm f/4.8 apochromat refractor.
Imaging time was greatly reduced, the sky is conditionally dark even without the moon.

NGC 5981 is an edge-on spiral galaxy, distance about 90 million light-years, diameter 70,000 light-years, apparent size 2.7'x0.3'.

NGC 5982 is a large elliptical galaxy, distance about 130 million light-years, diameter 200,000 light-years, apparent size 3.0'x2.1'.

NGC 5985 is a face-on spiral galaxy, distance about 125 million light-years, apparent size 5.4'x2.7'.

The Draco Triplet is not an unconditionally gravitationally bound group.
Add comment

Comments

There are no comments on this picture yet

Comments are available only to registered users. Register or log in to leave a comment.