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  ·  5 rho Oph  ·  Al Niyat (σ Sco  ·  Alniyat  ·  Alniyat I  ·  Antares  ·  B42  ·  B44  ·  Cor Scorpii  ·  HD146898  ·  HD146899  ·  HD146997  ·  HD146998  ·  HD147012  ·  HD147013  ·  HD147032  ·  HD147105  ·  HD147166  ·  HD147196  ·  HD147255  ·  HD147283  ·  HD147284  ·  And 145 more.
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Rho Ophiuchi in glorious 135mm, Coolhandjo
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Rho Ophiuchi in glorious 135mm

Revision title: Reduce size

Getting plate-solving status, please wait...
Rho Ophiuchi in glorious 135mm, Coolhandjo
Powered byPixInsight

Rho Ophiuchi in glorious 135mm

Revision title: Reduce size

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This represents a few firsts for me. First time used my HEq5 after belt modding it (cut my RMS error by almost 50%). First time imaged this target - used Samyang 135mm at F2.4. First time I didn't use a LP filter (I realized my east to Zenith targets sit in bortle 4!). This is 107 x 240sec RGB using ASI 533 MC pro with Svbony UV/IR (about 7 hours). I wasn't happy with the lack of Red in the image so I added 44 x 240 sec Ha (zwo 7nm) (about 3 hours). Processed in Pixinsight and Photoshop.

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  • Rho Ophiuchi in glorious 135mm, Coolhandjo
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    Rho Ophiuchi in glorious 135mm, Coolhandjo
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Title: Reduce size

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Rho Ophiuchi in glorious 135mm, Coolhandjo