Celestial hemisphere:  Southern  ·  Constellation: Sagittarius (Sgr)  ·  Contains:  -0.73  ·  11 Sgr  ·  4 Sgr  ·  7 Sgr  ·  9 Sgr  ·  B296  ·  B302  ·  B303  ·  B85  ·  B88  ·  B89  ·  B91  ·  HD163665  ·  HD163721  ·  HD163811  ·  HD163919  ·  HD163936  ·  HD163980  ·  HD164018  ·  HD164030  ·  HD164031  ·  HD164068  ·  HD164105  ·  HD164146  ·  HD164147  ·  HD164171  ·  HD164193  ·  HD164194  ·  HD164225  ·  HD164226  ·  And 436 more.
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M8 and M20, Rodd Dryfoos
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M8 and M20

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M8 and M20, Rodd Dryfoos
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M8 and M20

Equipment

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Acquisition details

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Description

FSQ 106 EDX4 with .6x reducer and ASI 1600.

Red: 110 30sec

Green: 151 30sec

Blue: 109 30 sec

Lum 218 30 sec.

These targets never gets higher than about 32 degrees fro me, and they lie in the worst part of my sky, so I was very lucky to get a dark, clear, stable night with the majority of the time after midnight, so the light dome fro m the nearby city of New Haven was at its dimmest.

I have reprocessed this data a zillion times. I found the balance between saturation and brightness a very tricky thing to get right. I guess more data would be nice. The number of subs belies the fact that there is only about 6-7 hours of data

Comments

Revisions

  • M8 and M20, Rodd Dryfoos
    Original
  • M8 and M20, Rodd Dryfoos
    C
  • M8 and M20, Rodd Dryfoos
    Y
  • M8 and M20, Rodd Dryfoos
    Z
  • M8 and M20, Rodd Dryfoos
    BA
  • M8 and M20, Rodd Dryfoos
    BB
  • M8 and M20, Rodd Dryfoos
    BC
  • M8 and M20, Rodd Dryfoos
    BD
  • M8 and M20, Rodd Dryfoos
    BE
  • M8 and M20, Rodd Dryfoos
    BF
  • M8 and M20, Rodd Dryfoos
    BG
  • M8 and M20, Rodd Dryfoos
    BH
  • M8 and M20, Rodd Dryfoos
    BJ
  • M8 and M20, Rodd Dryfoos
    BK
  • M8 and M20, Rodd Dryfoos
    BL
  • Final
    M8 and M20, Rodd Dryfoos
    BM

C

Description: Image07a

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Y

Description: M8-work

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Z

Description: A

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BA

Description: A3

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BB

Description: M8work

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BC

Description: Imagr05a

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BD

Description: Image05c

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BE

Description: Image05e

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BF

Description: Image05e3

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BG

Description: alt

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BH

Description: alt-2

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BJ

Description: Reprocess

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BK

Description: Reprocess-nss2

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BL

Description: Reprocess

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BM

Description: z3 - Improved dynamic range in core of M8

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Sky plot

Sky plot

Histogram

M8 and M20, Rodd Dryfoos