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[vsnet-chat 4564] only on 1 DSS-1 plate

Dear colleagues,

I found 6 star-like images on one DSS-1 R plate, not found on the
other DSS plates.

I retrieved the DSS-1 R plate (ID=07MI) and DSS-1 R plate (ID=07MD)
at:

  http://dss.mtk.nao.ac.jp/

around R.A. 01h16m10s, Decl. +60o09'.2, 10x10 arcmin field.

There are some DSS-2 plates of this field.

The two DSS-1 R plate images are as follows.

  http://dss.mtk.nao.ac.jp/tmp/DSS1.gif

There are six star-like images only on the left side image.

I guess they are something like noises.

Here is the astrometry and photometry measured from the DSS-1 FITS
image using the PIXY System 2 based on the USNO-A2.0 (R).

  01h16m00s.18  +60o08'37".9  12.54 mag
  01h16m04s.21  +60o07'57".7  14.83 mag
  01h16m08s.96  +60o07'43".8  15.05 mag
  01h16m31s.08  +60o09'16".0  14.67 mag
  01h16m31s.58  +60o09'30".8  14.27 mag
  01h16m34s.38  +60o09'41".3  14.16 mag

Best regards,

--
Seiichi Yoshida
comet@aerith.net
http://vsnet.aerith.net/

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