Celestial hemisphere:  Southern  ·  Constellation: Scorpius (Sco)  ·  Contains:  19 Sco  ·  19 omi Sco  ·  20 Sco)  ·  20 sig Sco  ·  21 Sco)  ·  21 alf Sco  ·  22 Sco  ·  22 i Sco  ·  5 Oph  ·  Al Niyat (σ Sco  ·  Alniyat  ·  Alniyat I  ·  Antares  ·  B42  ·  Cor Scorpii  ·  HD146851  ·  HD146899  ·  HD146998  ·  HD147012  ·  HD147013  ·  HD147032  ·  HD147105  ·  HD147166  ·  HD147196  ·  HD147255  ·  HD147283  ·  HD147284  ·  HD147343  ·  HD147356  ·  HD147384  ·  And 100 more.
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Rho Ophiuchi - 3 hrs - 2600MC - SpaceCat51 - First Attempt, Itto Ogami
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Rho Ophiuchi - 3 hrs - 2600MC - SpaceCat51 - First Attempt

Getting plate-solving status, please wait...
Rho Ophiuchi - 3 hrs - 2600MC - SpaceCat51 - First Attempt, Itto Ogami
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Rho Ophiuchi - 3 hrs - 2600MC - SpaceCat51 - First Attempt

Equipment

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Acquisition details

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Description

Took some subs of Rho Ophiuchi thru some clouds while waiting for Trifid/Lagoon to get into position. Luckily for me the clouds cleared when Lagoon/Trifid was ready to image.  I'll give this target much more exposure next year. 

Rho Ophiuchi - 1.5hrs - 2600MC - SpaceCat51 - First Attempt

52 x 120" subs - 61 x 60" Subs. No Calibration Frames.

UPDATE

The above applies to the first 2 revisions. Recently I decided to add most of the cloudy subs. I've found that although far from optimal, if its just a few high wispy clouds, they get mostly averaged out during stacking. I gave it a shot and got an extra 1.5 hours of exposure. The added subs were 120" subs and I stacked them with DSS along with the 60" subs. It seems that this added a lot more detail and reduced the noise a lot. While I will give this target a lot more exposure next year, I am happy with the improvement in the final image.

Comments

Revisions

  • Rho Ophiuchi - 3 hrs - 2600MC - SpaceCat51 - First Attempt, Itto Ogami
    Original
  • Rho Ophiuchi - 3 hrs - 2600MC - SpaceCat51 - First Attempt, Itto Ogami
    B
  • Final
    Rho Ophiuchi - 3 hrs - 2600MC - SpaceCat51 - First Attempt, Itto Ogami
    C

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Rho Ophiuchi - 3 hrs - 2600MC - SpaceCat51 - First Attempt, Itto Ogami