Celestial hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  M 101  ·  NGC 5447  ·  NGC 5449  ·  NGC 5450  ·  NGC 5451  ·  NGC 5453  ·  NGC 5455  ·  NGC 5457  ·  NGC 5461  ·  NGC 5462  ·  NGC 5471  ·  Pinwheel galaxy
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M101, Emilio Frangella
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M101

Getting plate-solving status, please wait...
M101, Emilio Frangella
Powered byPixInsight

M101

Equipment

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Acquisition details

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Description

This is a reprocessing of the data used in https://www.astrobin.com/3jurgg/ reframed to give move importance to the core of the galaxy

Color has been improved using the Photometric color calibration that got rid of the green cast, and for the stretch the Generalized Hyperbolic Stretch was used. No noise reduction was applied

M101 in HaLRGB
L: 5173x1 sec 18403x2 sec (total 11.6 h)
Ha: 120x60 sec
RGB: 990x30 sec
Equipment:
CEM70
Celestron C11
Starizona 6.3 reducer
Omegon OAG Deluxe
ASI 294MM (for the L and HA) and ASI 294MC (for RGB)

More acquisition details in the astrobin page of the original image

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M101, Emilio Frangella