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

Posted: May 23rd, 2025

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NGC

Technical Info

Telescope/Lens: Askar SQA 106 мм f/4.8

Camera: ZWO ASI 183 MC Pro

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

1238

Resolution: 2541x1834 px

Scale: 1161 KB

Ryjov Aleksey

261

First light of the wonderful Askar SQA 106 mm f/4.8 apochromatic refractor. Shooting time was greatly reduced, the sky is conditionally dark even without the moon. NGC 5981 is a spiral galaxy seen edge-on, 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 spiral galaxy seen face-on, distance about 125 million light-years, apparent size 5.4'x2.7'. The Draco Trio is not a definitively gravitationally bound group.

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