<!-- Generated by Relaxer 0.10.1 -->
<!-- Tue Jan 09 23:44:15 JST 2001 -->

<!ELEMENT exposure (#PCDATA)>
<!ATTLIST exposure unit CDATA #REQUIRED>

<!ELEMENT chip (#PCDATA)>

<!ELEMENT size (width, height)>

<!ELEMENT ra (#PCDATA)>

<!ELEMENT str (#PCDATA)>

<!ELEMENT width (#PCDATA)>

<!ELEMENT unofficial EMPTY>

<!ELEMENT new (#PCDATA)>

<!ELEMENT astrometric-error (ra, decl)>
<!ATTLIST astrometric-error unit CDATA #REQUIRED>

<!ELEMENT rotation (#PCDATA)>
<!ATTLIST rotation unit CDATA #REQUIRED>

<!ELEMENT fov (width, height)>
<!ATTLIST fov unit CDATA #REQUIRED>

<!ELEMENT information (path?, image, size, date?, exposure?, observer?, center, fov, rotation, pixel-size, limiting-mag, upper-limit-mag?, astrometric-error?, photometric-error?, magnitude-translation-formula?, distortion-field?, filter?, chip?, base-catalog, astrometric-catalog?, photometric-catalog?, reversed-image?, sbig-image?, unofficial?, star-count?, note?)>

<!ELEMENT upper-limit-mag (#PCDATA)>

<!ELEMENT var (#PCDATA)>

<!ELEMENT neg (#PCDATA)>

<!ELEMENT magnitude-translation-formula (#PCDATA)>

<!ELEMENT date (#PCDATA)>

<!ELEMENT photometric-catalog (#PCDATA)>

<!ELEMENT decl (#PCDATA)>

<!ELEMENT information-holder (information*)>

<!ELEMENT distortion-field (x, y)>

<!ELEMENT height (#PCDATA)>

<!ELEMENT base-catalog (#PCDATA)>

<!ELEMENT note (#PCDATA)>

<!ELEMENT mov (#PCDATA)>

<!ELEMENT observer (#PCDATA)>

<!ELEMENT photometric-error (#PCDATA)>

<!ELEMENT image (#PCDATA)>

<!ELEMENT center (ra, decl)>

<!ELEMENT filter (#PCDATA)>

<!ELEMENT y (#PCDATA)>

<!ELEMENT x (#PCDATA)>

<!ELEMENT star-count (str, var, mov, new, err, neg)>

<!ELEMENT sbig-image EMPTY>

<!ELEMENT astrometric-catalog (#PCDATA)>

<!ELEMENT path (#PCDATA)>

<!ELEMENT limiting-mag (#PCDATA)>

<!ELEMENT pixel-size (width, height)>
<!ATTLIST pixel-size unit CDATA #REQUIRED>

<!ELEMENT err (#PCDATA)>

<!ELEMENT reversed-image EMPTY>