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The area currently covered by the digitized HQS is restricted in declination
to 0 < δ < 80° and in galactic latitude to |b| > 20°.
In case that the chosen region appears on several plates compressed
images are displayed, from which a high-resolution image can be selected.
For the HES similar restrictions apply.
Please enter a position and an image size.
The image size is restricted to
15 arc min (4.4 Mb). Because of the length of a spectrum a minimum size
of 240 arc sec (HQS) and 600 arc sec (HES) is recommended.
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