Polaris - The North Star
Fri Feb 16 2024
While continuing to make progress on my primary target, I’ve been picking up some exposure time on this area after the Seagull Nebula is obscured by trees. I’ve always found this area of the sky interesting because it’s filled with integrated flux nebula which I’ve tried to bring out here.
About this object
- Type
- Galaxy
- Constellation
- Ursa Minor (the Little Bear)
- Apparent magnitude
- 15
- Apparent size
- 1.1′ × 1.0′
- Catalogue designations
- NGC 3172
Polarissima Borealis is a galaxy in the constellation Ursa Minor (the Little Bear). It shines at about magnitude 15 and spans roughly 1.1′ × 1.0′ on the sky.
Acquisition
- Antlia V-Pro Luminance 36 mm: 284 × 30s (2h 22m)
- Antlia V-Pro Red 36 mm: 108 × 30s (54m)
- Antlia V-Pro Green 36 mm: 118 × 30s (59m)
- Antlia V-Pro Blue 36 mm: 114 × 30s (57m)
- Total integration: 5h 12m
Equipment
- Telescope / Lens: Astro-Tech AT72EDII
- Camera: ZWO ASI2600MM Pro
- Mount: Celestron CGEM II
- Filters: Antlia V-Pro Blue 36 mm, Antlia V-Pro Green 36 mm, Antlia V-Pro Luminance 36 mm, Antlia V-Pro Red 36 mm
- Guiding scope: ZWO 30mm Mini Guider Scope
- Guiding camera: ZWO ASI224MC
- Accessories: Astro-Tech .8X Reducer for F6 (ATR8), ZWO EFW 7 x 36mm
- Software: Pleiades Astrophoto PixInsight
Astrophotography by David Joyce, AstroDavido.