Celestial hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  21 CVn  ·  24 CVn  ·  IC 4263  ·  IC 4278  ·  IC 902  ·  M 51  ·  NGC 5009  ·  NGC 5021  ·  NGC 5023  ·  NGC 5029  ·  NGC 5040  ·  NGC 5145  ·  NGC 5169  ·  NGC 5173  ·  NGC 5194  ·  NGC 5195  ·  NGC 5198  ·  NGC 5225  ·  NGC 5229  ·  NGC 5238  ·  NGC 5250  ·  NGC 5256  ·  The star 21CVn  ·  The star 24CVn  ·  Whirlpool galaxy
Getting plate-solving status, please wait...
M51 (Whirlpool galaxy) very wide field old data / Canon 100Da+Samyang 135mm f/2.0 / Star adventurer / SIRIL 0.9.11, patrick cartou
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M51 (Whirlpool galaxy) very wide field old data / Canon 100Da+Samyang 135mm f/2.0 / Star adventurer / SIRIL 0.9.11

Getting plate-solving status, please wait...
M51 (Whirlpool galaxy) very wide field old data / Canon 100Da+Samyang 135mm f/2.0 / Star adventurer / SIRIL 0.9.11, patrick cartou
Powered byPixInsight

M51 (Whirlpool galaxy) very wide field old data / Canon 100Da+Samyang 135mm f/2.0 / Star adventurer / SIRIL 0.9.11

Equipment

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Acquisition details

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Description

Samyang 135mm f/2.0 open f/2.8

Old data never stacked (?) before.

Stacking now with SIRIL 0.9.11 drizzlex2 option

Comments

Revisions

  • M51 (Whirlpool galaxy) very wide field old data / Canon 100Da+Samyang 135mm f/2.0 / Star adventurer / SIRIL 0.9.11, patrick cartou
    Original
  • M51 (Whirlpool galaxy) very wide field old data / Canon 100Da+Samyang 135mm f/2.0 / Star adventurer / SIRIL 0.9.11, patrick cartou
    B
  • M51 (Whirlpool galaxy) very wide field old data / Canon 100Da+Samyang 135mm f/2.0 / Star adventurer / SIRIL 0.9.11, patrick cartou
    C
  • M51 (Whirlpool galaxy) very wide field old data / Canon 100Da+Samyang 135mm f/2.0 / Star adventurer / SIRIL 0.9.11, patrick cartou
    D
  • M51 (Whirlpool galaxy) very wide field old data / Canon 100Da+Samyang 135mm f/2.0 / Star adventurer / SIRIL 0.9.11, patrick cartou
    E
  • M51 (Whirlpool galaxy) very wide field old data / Canon 100Da+Samyang 135mm f/2.0 / Star adventurer / SIRIL 0.9.11, patrick cartou
    F
  • Final
    M51 (Whirlpool galaxy) very wide field old data / Canon 100Da+Samyang 135mm f/2.0 / Star adventurer / SIRIL 0.9.11, patrick cartou
    G

B

Description: Darker version to limit an unsightly gradient (on my screen)

Uploaded: ...

C

Description: New stacking (drizzlex2) without gradient extraction and enhancings colors

Uploaded: ...

D

Description: Gimp 2.10.14 stars color treatment.

Don't hesitate to enlarge !!!

Uploaded: ...

E

Description: SIRIL 1.0.2 stacking no drizzle no flats

Uploaded: ...

F

Description: SIRIL 1.0.2 drizzlex2 stacking. Image cropped

Uploaded: ...

G

Description: Selective Gaussian blur and colors saturation applied to Whirlpool galaxy (PS CS2)

Uploaded: ...

Sky plot

Sky plot

Histogram

M51 (Whirlpool galaxy) very wide field old data / Canon 100Da+Samyang 135mm f/2.0 / Star adventurer / SIRIL 0.9.11, patrick cartou