Celestial hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  17 kap01 Boo  ·  17 kap02 Boo  ·  86 UMa  ·  Asellus Tertius  ·  M 101  ·  NGC 5368  ·  NGC 5422  ·  NGC 5443  ·  NGC 5449  ·  NGC 5450  ·  NGC 5451  ·  NGC 5453  ·  NGC 5455  ·  NGC 5457  ·  NGC 5461  ·  NGC 5462  ·  NGC 5471  ·  NGC 5473  ·  NGC 5474  ·  NGC 5475  ·  NGC 5477  ·  NGC 5484  ·  NGC 5485  ·  NGC 5486  ·  The star 86UMa  ·  The star κ2Boo
Pinwheel galaxy - M101, Alessandro Cernuzzi
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Pinwheel galaxy - M101

Pinwheel galaxy - M101, Alessandro Cernuzzi
Powered byPixInsight

Pinwheel galaxy - M101

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Description

I went few days in the north of Iceland and I had very little time to pull this off. With such short integration time post processing felt like a surgery, but I'm happy with the result (especially considering the equipment used).

Pinwheel galaxy - M101

Location: Akureyri, north Iceland

Total integration time: 1hr 44min

4 min subs at ISO 800

6 darks, 18 bias (from a previous work, at iso 400), 24 flats

Canon SL2 - controlled through Astrophotography Tool

Canon 70-200 f2.8 IS USM L - 320mm effective (+crop) at f5.6

Filter: IPAS LPS D1, under class 8 Bortle

Tracker: iOptron Skyguider Pro with iPolar

Stacked in DeepSkyStacker

Processed in PS CC

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Pinwheel galaxy - M101, Alessandro Cernuzzi