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Byron Davies

Sh2-86 (NGC-6820)

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California nebula

Started by RolandC, 11/17/2015 05:10PM
Posted 11/17/2015 05:10PM Opening Post
Taken by Dennis DiCicco with AP130GTX and TCC at F4.5 with 16803 chip. Posted image is half size, Jpeg compressed.
This was a test image to see if our new 130 with dedicated telecompressor would cover the larger 16803 chip size. Indeed it does splendidly. Dennis notes that star sizes in the center measure 1.2 pixels FWHM and corners measure 1.4 FWHM.

Rolando

Attached Image:

RolandC's attachment for post 59866
Posted 11/17/2015 06:02PM #1
Looks nice. There is a little sign of field curvature though along each side. You can see the elongation of stars pointing inward to the center. Still, this is a nice shot and the field is pretty flat. smile

[SIZE="Large"][/SIZE][COLOR="Blue"][/COLOR] Floyd Blue grin
Amateur Imager
Posted 11/19/2015 02:00PM #2
Spectacular! I am able to see it at 1x with my 12nm Ha Night Vision. I LOVE the 16803 chip. We used them in FLI cameras at work for optical metrology. Tom

29-inch Dob in a dome
36-inch upgrade soon
LUNT 80/80 solar scope
FLI 6803 cam
APM 100mm APO Binos
JMI RB-16 Night Vision Binos
Zeiss 20x60 IS binos