Επιλογή Γλώσσας
Pegasus Astro

Content View Hits : 517825

 << Back

M 101 Pinwheel Galaxy

The Pinwheel Galaxy, also known as Messier 101 or NGC 5457,  is a face-on spiral galaxy distanced 21 million light years  away in the constellation Ursa Major, first discovered by Pierre Méchain on March 27, 1781, and communicated to Charles Messier who verified its position for inclusion in the Messier Catalogue as one of its final entries.

Location / Date

Mauna Keratea Obs, Μarch 2012

Telescope

GSO Richey Cretien 10" f8

Mount

Sky Watcher EQ6 Pro

Camera

QHY9 KAF 8300 mono CCD, Temp -25 C

Filters / Exposurea

L 18x600 sec bin 2x, RGB 9x300sec bin 2x

Total Exposure Time

5,5~ hours

Software

Nebulosity 2 - Starry Night - EQmod, Maxim DL, Pixinshight, Photoshop CS5.

 

 << Back

scroll back to top