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 Astrophotography - CCD Imaging | Part 1

The LcCCD07 Camera and first light

CCD Imaging 1 | First Light
CCD Imaging 2 | Deepsky 2001
CCD Imaging 3 | Planets 2001

In November 1999 I purchased a used CCD camera made by OES Fleischmann. This LcCCD07 is the smallest camera with a resolution of only 195*165 pixel and uses the Texas Instruments TC211 chip. It is single stage peltier element cooled and offers integration times ranging from 0.6 up to 40 seconds. The camera comes with a ISA 16-bit PC card as driver and offers relay control for autotracking.

In January 2001, after the camera returned from a *repair* from OES, I added a small potentiometer, which allows me to adjust the bias offset, which tends to drift a little while the camera gets warmer.

April 2001: Long exposure images show some moiree, and I have to investigate, where this noise comes from. A possible source may be some RF influence by the clocked signal wires close to the offset potentiometer I added. I'll have to possibly use shielded wires and block the lines.

I received the complete circuit diagram from OES, which makes me understand better, what happens inside the camera head.

There was not much time for using the camera so far, as it was defective for quite a while. Now I look forward to produce some images. I spent this time with reading a lot of literature and I hopefully know now what the camera may be good for.

LcCCD07-1LcCCD07-2
LcCCD07 : See the Texas Instruments TC211 Chip inside (left)

The field of view with my Newton f5 / d=150mm is 12.1' (12.1 arcmin). Many objects in the sky will not fit into the image.


M27

M27 | NGC 6853 | "Dumbbell Nebula" German: "Hantelnebel"

  • Instrument: f=1:5 Newton 150mm/f=750mm
  • Film: LcCCD 07 | Field of View : 12.1' * 12.1'
  • Exposure time: 6 * 20 sec Composite
  • Date: 06 May 2000, 00:25 UT
  • Note: M27 Nebula - Composite of 6 images; my first good image; processed with IRIS.
M57 Composite

M57 | NGC 6720 | Ring Nebula

  • Instrument: f=1:5 Newton 150mm/f=750mm
  • Film: LcCCD 07 | Field of View : 12.1' * 12.1'
  • Exposure time: 2 * 20 sec Composite
  • Date: 05 May 2000, 22:08 UT
  • Note: M57 Nebula Composite of two images
M82

M82 | NGC3034 Galaxy

  • Instrument: f=1:5 Newton 150mm/f=750mm
  • Film: LcCCD 07 | Field of View : 12.1' * 12.1'
  • Exposure time: 1 * 20 sec
  • Date: 05 May 2000, 23:28 UT
  • Note: M82 Galaxy
M81 M82 region

M81 M82 region

  • Instrument: f=1:1.7 50mm
  • Film: LcCCD 07 | Field of View : ca 3° * 3 °
  • Exposure time: 2 * 9 sec Composite
  • Date: 06 May 2000, 01:25 UT
  • Note: Composition of 2 images through a standard lens. Optimized with IRIS and left at larger size.
Deneb region

The Deneb Area in Cygnus

  • Instrument: f=1:1.7 50mm
  • Film: LcCCD 07 | Field of View : ca 3° * 3 °
  • Exposure time: 4 * 20 sec Composite
  • Date: 06 May 2000, 01:17 UT
  • Note: Composition of 4 images through a standard lens with Pelikan nebula on the lower left.
LcCCD07 1st image

First ever star image with the CCD camera

  • Instrument: f=1/1.7; 50mm M42 Lens
  • Film: LcCCD 07 | Field of View : ca 3° * 3 °
  • Exposure time: 2 * 2 sec, no guiding
  • Date: November 1999
  • Note: Ursa Major, Alkor/Mizar; Mag reaching ca 10; Image taken through a window ...

All photos are Copyright of C.Petermann DF9CY
 Text and All Images are Copyright by Christoph Petermann DF9CY

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