www.astrocafe.hk

M27
Date: 19Aug2011
Time: 10pm
Location: Shui Hau Observatory http://shuihau.hkas.org.hk
Camera:300D (mod)
ISO:800
Guiding: SBIG SG4
Mount: HEQ5
Stacked by DSS
Filter: CSI
Flames:8x300s

Jupiter
Date: 2011Aug20
Time: 4:00pm
Telescope: 6" Astrophysics (Prototype)
Camera: DMK21
Mount: EQ5Pro
Stacked by Registax 6
Location: Shui Hau Observatory http://shuihau.hkas.org.hk
Flames:1000
Barlow: Telvue 3X

Sun
Date: 2011Aug20
Time: 15:00pm
Telescope: Pentax 75
Filter: Solarmax 40
Camera: Lumenera LU070M
Mount: iOptron Cube
Stacked by Registax 6
Location: Sham Tseng
Flames:500

Moon
Date: 2011Aug20
Time: 3:00pm
Telescope: 6" Astrophysics (Prototype)
Camera: Lumenera LU070M
Mount: EQ5Pro
Stacked by Registax 6
Location: Shui Hau Observatory http://shuihau.hkas.org.hk
Flames:1000
Barlow: Telvue 3X, 2X, Nil

I like the moon picture. The Hadley Rille on the top left corner is well lit. The 90 degree bent is close to the Apollo 15 landing site.

But what happened to the M27?

stack得唔好

cyyek 寫:stack得唔好

或許Dithering會有些幫助?

最吸引人之處是那台Astrophysics 6" APO，最近有一台AP 160在美國以二萬多美元轉手

90年代香港有幾位愛好者買了Astrophysics 6" APO的。