Triple APOD - May 7, 2025: The Pinwheel Galaxy (M101) By Allen Schultz All-Star Amateur Astronomy Photo of the Day - Click to Enlarge


Triple APOD - May 7, 2025: The Pinwheel Galaxy (M101) By Allen Schultz

From Allen:

Captured using HaOIII shots from 2025-04-05 and RGB from 2025-04-24 to 2025-04-25.  There is about 6+ hours of integration within the high light polluted sky.  It would require to go to a dark sky site to get more M101 structure.  The Ha (red palette) from the HaOIII filter is slightly enhanced in the post processing to give it a little more dimension.

Location: Calgary backyard (Bortle 8/9)

Equipment:
Askar 103 APO with 0.8x reducer
Orion Mini 50mm guide scope
ZWO ASI585MC Pro camera
ZWO ASI120MM Mini
Celestron AVX mount
ZWO ASI Air Plus 256
Optolong L-Pro 2”
Antlia ALP-T Dualband 5nm Ha/OIII 2”
ZWO Filter Drawer

Imaging:
123 x 180s RBG subs culled from 160 subs (L-Pro filter)
39 x 300s HaOIII subs culled from 50 subs (HaOIII filter)

Processing:
Siril 1.2.4 for stacking, de-noise, background extraction, starnet
Graxpert 3.02 for de-noise
Affinity Photo 1.10.8 for post processing

Related Products

Previous
Triple APOD - May 5, 2025: Andromeda (M31) By Steve Berger
Next
Triple APOD - May 9, 2025: Thor's Helmet (NGC 2359) By Er...


Want to see Your Astrophoto Here?

Send your astrophoto to apod@all-startelescope.com, along with the details of the capture, including the equipment you used, as well as any other details you want us to share! Then, keep your eyes out, and your photo may be selected to be the All-Star Amateur Astronomy Photo of the Day!

The Art of the Down-Sell

Only What You Need, Nothing More, We Promise

The Anti-Junk Rule

Our products are painstakingly curated, no junk allowed!

Stress Free Shipping

We guarantee safe, secure shipping. We're on it 'till you get your gear.

Locally Engaged

Helping to grow our communities through clubs events and more.