Celestial hemisphere:  Southern  ·  Constellation: Sagittarius (Sgr)  ·  Contains:  IC 1274  ·  IC 1275  ·  IC 4684  ·  IC 4685  ·  NGC 6559  ·  The star 11Sgr
Ic 4685, LeCarl99
Ic 4685
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Ic 4685

Ic 4685, LeCarl99
Ic 4685
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Ic 4685

Equipment

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Acquisition details

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Description

IC4685 nebula

Done with my cooled t3i, 600D -25 to -30 celcius (regulated) matched with 7 darks same T

Very low target, so guiding was not easy (dancing) meridian shift...

(telescope is new and not collimated, so a bit imperfect in left (also maybe a bit of rotation)

it's also a test of my new mount celestron Vx, no polarscope takes some time

This is the first time I imaging this year, so I did some mistakes, a bit more data of colour next time!

Also the noise is very low for only 8x240sec of colour data! (very happy about that)

A Eye candy version!

B version with 50% ha (8x240sec 16x240 Ha)

C version soft (20% ha)

D my favourite, 25% Ha

E version RGB only (8x240sec) near raw without any noise reduction

Comments

Revisions

  • Final
    Ic 4685, LeCarl99
    Original
  • Ic 4685, LeCarl99
    B
  • Ic 4685, LeCarl99
    C
  • Ic 4685, LeCarl99
    D
  • Ic 4685, LeCarl99
    E

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Sky plot

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Ic 4685, LeCarl99